The names of the top performing funds will vary by category (e.g.: large cap, mid cap, etc) . It will also vary by year. One thing to remember is that the best performing funds will vary with time. There is no one mutual fund that has consistently done well.
We can of course look for funds that have a consistent track record over the long term (say ten years). In the equity tax saving funds category, Birla Sun Life Tax Relief 96 has done well over ten years and more. There are other funds one can check out at this link: Explore Mutual Funds
To read more about mutual funds you can try the website of Mutual Funds Sahi Hai. The Jamā blog is also a good place to learn about investing and mutual fund strategies and tips.